// Copyright (c) 2013 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#ifndef CONTENT_BROWSER_LOADER_RESOURCE_MESSAGE_DELEGATE_H_
#define CONTENT_BROWSER_LOADER_RESOURCE_MESSAGE_DELEGATE_H_

#include "base/macros.h"
#include "content/common/content_export.h"
#include "content/public/browser/global_request_id.h"

namespace IPC {
class Message;
}

namespace net {
class URLRequest;
}

namespace content {

// A ResourceMessageDelegate receives IPC ResourceMsg_* messages for a specified
// URLRequest. The delegate should implement its own IPC handler. It will
// receive the message _after_ the ResourceDispatcherHost has handled it.
class CONTENT_EXPORT ResourceMessageDelegate {
public:
    ResourceMessageDelegate(const net::URLRequest* request);
    virtual ~ResourceMessageDelegate();

    // Called when the ResourceDispatcherHostImpl receives a message specifically
    // for this delegate.
    virtual bool OnMessageReceived(const IPC::Message& message) = 0;

    void set_request_id(const GlobalRequestID& new_request_id)
    {
        id_ = new_request_id;
    }

private:
    GlobalRequestID id_;
    DISALLOW_IMPLICIT_CONSTRUCTORS(ResourceMessageDelegate);
};

} // namespace content

#endif // CONTENT_BROWSER_LOADER_RESOURCE_MESSAGE_DELEGATE_H_
